Welcome to our Rainwater Harvesting Online Store

What are you looking for today?

from £1400.00

Rainwater Harvesting Packages

from £300.00

Rainwater tanks

from £600.00

Pumps & Control units

from £20.00


from £190.00

Above ground rainwater tanks

Got a question?

Contact Us

Not sure where to start?

Use any of our free-to-use sizing tools to find out what size system you need for your project.

Rainwater Harvesting Tank Size Calculator

If you’re interested in rainwater harvesting and would like to know what size and type of system would be best for project, then click the button below to use our rainwater harvesting tank size calculator to find out.

Use our Tank Size Calculator

Sewage Treatment Plant Configurator

Need a sewage treatment plant for your project but don’t know what size or type of system is best for you? Then click the button below to use our 8-step sewage treatment plant configurator which will walk you through choosing the right system for your project.

Use our Sewage Treatment Plant Configurator

Stormwater Attenuation Tank Sizer

If you would like to install a GRAF stormwater attenuation tank for next development but don’t know what size tank or type of crate you need. Click the button below to use our simple stormwater attenuation tank sizer which will do all the work for you.

Use our Stormwater Attenuation Tank Sizer

What our customers say